In the sprawling megacity of Songcheon, home to over four million people, life was ordinary for high school student Minho, who dreamed of becoming a judo champion. That is, until one day— a mysterious monstrous entity appeared before him, alongside a strange girl shrouded in secrets. In the blink of an eye, the city collapses into a living hellscape, where survival is the only law. Trapped in the nightmare of a fallen metropolis, Minho must fight for his life and uncover the terrifying truth behind the monsters and the girl who appeared with them.
